CN104774010B - Large-scale graphite crucible static pressure and sintering integratedization equipment and its manufacture craft - Google Patents
Large-scale graphite crucible static pressure and sintering integratedization equipment and its manufacture craft Download PDFInfo
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- CN104774010B CN104774010B CN201510118545.7A CN201510118545A CN104774010B CN 104774010 B CN104774010 B CN 104774010B CN 201510118545 A CN201510118545 A CN 201510118545A CN 104774010 B CN104774010 B CN 104774010B
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- graphite crucible
- mould
- hydraulic cylinder
- core rod
- shell
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Abstract
The present invention relates to a kind of large-scale graphite crucible static pressure and sintering integratedization equipment, including frame, shell, upper hydraulic cylinder, upper mould, internal model, middle mold, lower mould, hoist cylinder, core rod, lower hydraulic cylinder, the upper rack is provided with hydraulic cylinder, the inside the shell is provided with mould and middle mold, the upper mould adopts bayonet coupling with middle mold, the bottom of lower mould is provided with hoist cylinder, the core rod is hollow-core construction, inside is provided with microwave applicator, is additionally provided with semi-ckcukt heater between the upper mould and shell.The present invention have the advantages that efficiency high, low cost, be not required to transhipment, speed of production soon, energy-saving safe.
Description
Technical field
The present invention relates to graphite crucible field, the large-scale graphite crucible manufacture of more particularly to a kind of static pressure and sintering integratedization
Equipment and its manufacture craft.
Background technology
Graphite crucible has good thermal conductance and heat-resisting quantity, and during applied at elevated temperature, thermal coefficient of expansion is little, to urgency
Heat, chilling have certain stain resistance energy.To acid, the corrosion resistance of alkaline solution is stronger, with excellent chemical stability.Cause
This, graphite crucible is widely used in the smelting of alloy tool steel and has coloured gold in the industrial department such as metallurgy, casting, machinery, chemical industry
The melting of category and its alloy.
Country's graphite crucible production technology has two kinds at present：Plastic forming production technology and compressing production technology.With
Clay is long for the plastic forming technique productions cycle of binding agent, and high labor intensive, work efficiency are low, are burnt till with coal, and pollution is big, but because throwing
Money is few, domestic many using this technique；And if static pressure equipment compressing technique clean energy resource natural gas is sintered, greatly reducing
Pollution problem, and make efficiency is high.
But, big-and-middle-sized graphite crucible as volume is big, quality weight, after compressing technique, in addition it is also necessary to be sent to and have
It is sintered in the kiln hole of combustion of natural gas function.Graphite crucible kiln hole will be first hung in, roasting sand will be covered in into stone manually then
On black crucible, restart natural gas and be sintered, manually roasting sand is dug out after the completion of sintering again, then by the graphite for sintering
Crucible hangs out.This elder generation is compressing, the production technology of rear kiln hole roasting, works very loaded down with trivial details, needs to enter using crane, fork truck
Row handling and transhipment, manually cover sand again, dig sand, and whole process labor strength is big, long the production cycle, work efficiency are low, and
The special kiln hole of construction and factory building are also needed to, corresponding operator is equipped with, investment is big, place occupancy is big, and operating process is not
Safety factor is more, and security incident easily occurs.
How graphite crucible to be fabricated to into finished product with an equipment, the exactly present invention wants key problems-solving.
The content of the invention
The purpose of the present invention is for the deficiencies in the prior art, there is provided a kind of efficiency high, low cost, is not required to transport, produces
Speed is fast, large-scale graphite crucible static pressure and sintering integratedization equipment and its manufacture craft of energy-saving safe.
The present invention is achieved by the following technical programs：
Large-scale graphite crucible static pressure and sintering integratedization equipment, it is characterised in that：Including frame, shell, upper hydraulic cylinder, on
Mould, internal model, middle mold, lower mould, hoist cylinder, core rod, lower hydraulic cylinder, the upper rack are installed with shell and upper hydraulic pressure
Cylinder, the inside the shell are provided with mould and middle mold, and the upper mould adopts bayonet coupling, the internal model to be located inside upper mould with middle mold
And be connected with the upper hydraulic cylinder through upper mould, the center of the lower mould is provided with a through hole being adapted with core rod size, lower mould
Bottom be provided with hoist cylinder, the core rod is located in the through hole at Xia Mo centers, and core rod bottom is connected with lower hydraulic cylinder, the mould
Core is hollow-core construction, and inside is provided with microwave applicator, is additionally provided with semi-ckcukt heater between the upper mould and shell.
Further, the semi-ckcukt heater includes semicircle installing rack, infrared heater, base plate, pulley, guide rail,
The microwave applicator is evenly distributed on the inner side of semicircle installing rack, and the semicircle installing rack bottom is connected with base plate, institute
State base plate and have pulley, the pulley is arranged on guide rail and can be along slide, and the guide rail is fixed on shell.
The technique that graphite crucible is made using the said equipment is as follows：
The first step, will be seated between middle mold and core rod for the raw material for making graphite crucible, and hydraulic cylinder in startup drives
Internal model is moved downward, and carries out hydrostatic profile to raw material；
Second step, starts the microwave applicator in core rod, carries out internal heating to the graphite crucible after shaping, while upper liquid
Cylinder pressure is moved upwards, is driven internal model, upper mould, middle mold to be lifted up together, is made graphite crucible automatic demoulding；
3rd step, starts semi-ckcukt heater, and semicircle installing rack is close to graphite crucible along guide rail, starts infrared heating
Device, carries out outside firing to the graphite crucible after shaping；
4th step, after the completion of firing, starts lower hydraulic cylinder, and band moving-mould-core is moved downward, the graphite earthenware after making to form by a firing
Crucible is departed from core rod；
5th step, starts hoist cylinder, and the graphite crucible after driving lower mould and forming by a firing is moved downward, and will be formed by a firing
Graphite crucible afterwards is transported to the operating post of subsequent processing.
Further, the heating and temperature control of the microwave applicator in second step is for 1500-2000 DEG C, in the 3rd step
For 1000-1600 DEG C, graphite crucible internal-external temperature difference is controlled at 200-500 DEG C the heating and temperature control of semi-ckcukt heater.
The invention has the advantages that：
The present invention efficiently completes hydrostatic profile and high-temperature firing in same equipment rapidly, saves calcination department and roasting
Equipment investment, reduces intermediate transportation, it is to avoid large-scale graphite crucible hangs or pitch the insecurity of fortune, and
The present invention is all automatically controlled using hydraulic pressure, and static pressure, firing and the demoulding intersect simultaneously to be carried out, and speed of production is fast, from
Dynamicization degree height, safety economy and energy-conservation.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
In accompanying drawing：1-frame, 2-hoist cylinder, 3-lower hydraulic cylinder, 4-guide rail, 5-pulley, guide rail, 6-base plate,
7-semicircle installing rack, 8-infrared heater, 9-middle mold, 10-upper mould, 11-shell, 12-upper hydraulic cylinder, 13-interior
Mould, 14-core rod, 15-microwave applicator.
Specific embodiment
With reference to the accompanying drawings the present invention is described in further detail.
As shown in figure 1, large-scale graphite crucible static pressure and sintering integratedization equipment, including frame 1, shell 11, upper hydraulic cylinder
12nd, upper mould 10, internal model 13, middle mold 9, lower mould, hoist cylinder 2, core rod 14, lower hydraulic cylinder 3.
Frame 1 is made using square tube, installs hydraulic cylinder 12 on 1 top of frame, and the upper hydraulic cylinder 12 passes through upper mould 10
Be connected with internal model 13, mould 10 and shell 11 are sequentially provided with the outside of internal model 13.The lower section of upper mould 10 is provided with middle mold 9, described
Middle mold 9 adopts bayonet coupling with upper mould 10.This connection is very convenient, and middle mold 9 can be made rapidly to screw clamping with upper mould 10
Or separation of outwarding winding, be conducive to making the raw material filling of graphite crucible.
The lower section of middle mold 9 is provided with lower mould, and the center of the lower mould is provided with a through hole being adapted with 14 size of core rod, under
The bottom of mould is provided with hoist cylinder 2.Core rod 14 is located in the through hole at Xia Mo centers, and 14 bottom of core rod is connected with lower hydraulic cylinder 3, institute
It is hollow-core construction to state core rod 14, and inside is provided with microwave applicator 15.
Semi-ckcukt heater is additionally provided between upper mould 10 and shell 11, the semi-ckcukt heater includes semicircle installing rack
7th, infrared heater 8, base plate, pulley 5, guide rail 4, the microwave applicator 15 are evenly distributed on the inner side of semicircle installing rack 7,
7 bottom of semicircle installing rack is connected with base plate, and the base plate has pulley 5, and the pulley 5 is arranged on guide rail 4 simultaneously
Can slide along guide rail 4, the guide rail 4 is fixed on shell 11.
The technique that graphite crucible is made using the said equipment is as follows：
The first step, will be seated between middle mold 9 and core rod 14 for the raw material for making graphite crucible, hydraulic cylinder in startup
12, drive internal model 13 to move downward, hydrostatic profile is carried out to raw material；
Second step, starts the microwave applicator 15 in core rod 14, internal heating is carried out to the graphite crucible after shaping, heats
Temperature control is at 1500-2000 DEG C, while upper hydraulic cylinder 12 is moved upwards, drives internal model 13, upper mould 10, middle mold 9 together upwards
Lifted, make graphite crucible automatic demoulding；
3rd step, starts semi-ckcukt heater, and semicircle installing rack 7 is close to graphite crucible along guide rail 4, starts infrared adding
Hot device 8, carries out outside firing to the graphite crucible after shaping, and firing temperature is controlled at 1000-1600 DEG C, while controlling graphite earthenware
At 200-500 DEG C, the firing time is 1-3h to crucible internal-external temperature difference；This temperature control mode, is conducive to eliminating the interior of graphite crucible
Stress, improves the yield rate of product.
4th step, after the completion of firing, starts lower hydraulic cylinder 3, and band moving-mould-core 14 is moved downward, and makes the graphite after forming by a firing
Crucible is departed from core rod 14；
5th step, starts hoist cylinder 2, and the graphite crucible after driving lower mould and forming by a firing is moved downward, and will be fired into
Graphite crucible after type is transported to the operating post of subsequent processing.
Embodiment of the present invention is only the description carried out to the preferred embodiment of the present invention, not to the present invention
Restriction, on the premise of without departing from design philosophy of the present invention, in this area engineers and technicians technology according to the present invention side
Various modifications and improvement that case is made, all should include within the scope of the present invention.
Claims (2)
1. large-scale graphite crucible static pressure and sintering integratedization equipment, including frame, shell, upper hydraulic cylinder, upper mould, internal model, middle mold,
Lower mould, hoist cylinder, core rod, lower hydraulic cylinder, the upper rack are installed with shell and upper hydraulic cylinder, and the inside the shell sets
Have upper mould and a middle mold, the upper mould and middle mold adopt bayonet coupling, the internal model be located inside upper mould and with through upper mould
Upper hydraulic cylinder is connected, and the center of the lower mould is provided with a through hole being adapted with core rod size, and the bottom of lower mould is provided with lifting
Oil cylinder, the core rod are located in the through hole at Xia Mo centers, and core rod bottom is connected with lower hydraulic cylinder, and the core rod is hollow-core construction,
Inside is provided with microwave applicator, it is characterised in that：
It is additionally provided with semi-ckcukt heater between the upper mould and shell, the semi-ckcukt heater includes semicircle installing rack, red
Outer heating device, base plate, pulley, guide rail, the microwave applicator are evenly distributed on the inner side of semicircle installing rack, the semicircle
Installing rack bottom is connected with base plate, and the base plate has pulley, and the pulley is arranged on guide rail and can be along slide, institute
State guide rail to be fixed on shell；
The said equipment makes the technique of graphite crucible, comprises the steps：
The first step, will be seated between middle mold and core rod for the raw material for making graphite crucible, and hydraulic cylinder in startup drives internal model
Move downward, hydrostatic profile is carried out to raw material；
Second step, starts the microwave applicator in core rod, carries out internal heating to the graphite crucible after shaping, while upper hydraulic cylinder
Move upwards, drive internal model, upper mould, middle mold to be lifted up together, make graphite crucible automatic demoulding；
3rd step, starts semi-ckcukt heater, and semicircle installing rack is close to graphite crucible along guide rail, starts infrared heater,
Outside firing is carried out to the graphite crucible after shaping；
4th step, after the completion of firing, starts lower hydraulic cylinder, and band moving-mould-core is moved downward, the graphite crucible after making to form by a firing with
Core rod departs from；
5th step, starts hoist cylinder, and the graphite crucible after driving lower mould and forming by a firing is moved downward, after forming by a firing
Graphite crucible is transported to the operating post of subsequent processing.
2. it is according to claim 1 make graphite crucible technique, it is characterised in that：Microwave applicator in second step
For 1500-2000 DEG C, the heating and temperature control of the semi-ckcukt heater in the 3rd step is for 1000-1600 for heating and temperature control
DEG C, graphite crucible internal-external temperature difference is controlled at 200-500 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118545.7A CN104774010B (en) | 2015-03-18 | 2015-03-18 | Large-scale graphite crucible static pressure and sintering integratedization equipment and its manufacture craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118545.7A CN104774010B (en) | 2015-03-18 | 2015-03-18 | Large-scale graphite crucible static pressure and sintering integratedization equipment and its manufacture craft |
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| Publication Number | Publication Date |
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| CN104774010A CN104774010A (en) | 2015-07-15 |
| CN104774010B true CN104774010B (en) | 2017-04-05 |
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| CN112692962B (en) * | 2020-12-29 | 2023-10-20 | 四川红华实业有限公司 | Preparation method of calcium fluoride crucible |
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| WO2010116458A1 (en) * | 2009-03-30 | 2010-10-14 | イビデン株式会社 | Sealing material for honey-comb structure, honey-comb structure, and method for manufacture of honey-comb structure |
| CN202062082U (en) * | 2011-04-06 | 2011-12-07 | 黑龙江省机械科学研究院 | Integrated forming and sintering device for powder material |
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Mao Jingen Inventor after: Mao Chunlong Inventor after: Chen Shanjun Inventor before: He Zhifang |
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Effective date of registration: 20170302 Address after: 226671 Nantong, Haian Qu Qu Town, the second floor of the town Industrial Park Applicant after: Jiangsu Jinshengyuan Special Valves Co., Ltd. Address before: 410000 Hunan province Changsha hi tech Development Zone, Lu Feng Road No. 69 Applicant before: CHANGSHA NEW WEATHER AUTOMATION TECHNOLOGY CO., LTD. |
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